Nibe SMO S40 Installation guide

IHB EN 2016-1

431897

INSTALLER MANUAL

Control module

NIBE SMO S40 UK

Quick guide

NAVIGATION

Browse

Scroll

Select The dots at the bot-

tom edge show

that there are more

pages.

If the menu has

several sub-menus,

you can see more

information by

dragging up or

down with your fin-

ger.

Most options and

functions are activ-

ated by lightly

pressing on the dis-

play with your fin-

ger.

Drag to the right or

left with your finger

to browse between

the pages.

Setting the indoor temperature.

Bottom floor

Temperature

HEAT

13.45 3 October

Smartguide

Yes please, take me to Smartguide.

Hi!

Your system is working properly. Do you want help making

changes?

13.45 3 October

Here, you can set the temperature in the installation's

zones.

Smartguide helps you both to view information about the

current status and to make the most common settings

easily. The information that you see depends on the

product you have and the accessories that are connected

to the product.

Product overview

PRODUCT OVERVIEW

Update

Product name

Serial number

Software

Service

13.45 3 October

Company AB

Phone number

SMOS40

01234567890123

1.0.0

Increasing hot water temperature

HOT WATER

More hot water

13.45 3 October

Here, you can find information about product name, the

product's serial number, the version of the software and

service. When there is new software to download, you

can do it here (provided that SMO S40 is connected to

myUplink).

Here, you can start or stop a temporary increase in the

hot water temperature.

This function page is only visible in installations with a

water heater.

51 Important information

5Symbols

5Serial number

6Country specific information

7Inspection of the installation

8System solutions

92 Delivery and handling

9Mounting

10Supplied components

10Open front hatch

11Open USB cover

123 The Control Module Design

12Component positions

13List of components

144 Installing the installation

14General

15Symbol key

15Temperature sensor installation on pipe

15Fixed condensing

16Connecting air/water heat pump

16Connecting the climate system

17Cold and hot water

17Installation alternative

195 Electrical connections

19General

20Connections

28Selectable in/outputs

30Settings

316 Commissioning and adjusting

31Preparations

31Commissioning

31Commissioning with additional heating only

31Check the reversing valve

31Check selectable outputs

31Cooling mode

32Start guide

32Setting the cooling/heating curve

357 myUplink

35Specification

35Connection

35Range of services

35Mobile apps for myUplink

368 Control - Introduction

36Display unit

37Navigation

37Menu types

409 Control – Menus

40Menu 1 – Indoor climate

44Menu 2 – Hot water

46Menu 3 - Info

47Menu 4 - My system

51Menu 5 - Connection

52Menu 6 - Scheduling

53Menu 7 - Installer settings

6210 Service

62Service actions

6611 Disturbances in comfort

66Info-menu

66Manage alarm

66Troubleshooting

68Add. heat only

6912 Accessories

7113 Technical data

71Dimensions

72Technical specifications

73Energy labelling

74Electrical circuit diagram

3Table of ContentsNIBE SMO S40

Table of Contents

78Item register

83Contact information

NIBE SMO S40Table of Contents4

Symbols

NOTE

This symbol indicates danger to person or ma-

chine .

Caution

This symbol indicates important information

about what you should consider when installing

or servicing the installation.

TIP

This symbol indicates tips on how to facilitate

using the product.

Serial number

The serial number can be found on the left-hand side of

the control module and on the "Product overview" home

screen.

UN

Serial number

Caution

You need the product's ((14 digit) serial number

for servicing and support.

5Chapter 1 | Important informationNIBE SMO S40

1 Important information

Country specific

information

UNITED KINGDOM

This installation is subject to building regulation approval,

notify the local Authority of intention to install.

Use only manufacturer’s recommended replacement

parts.

For more information see nibe.co.uk.

Benchmark places responsibilities on both manufactur-

ers and installers. The purpose is to ensure that custom-

ers are provided with the correct equipment for their

needs, that it is installed, commissioned and serviced

in accordance with the manufacturers instructions by

competent persons and that it meets the requirements

of the appropriate Building Regulations. The Benchmark

Checklist can be used to demonstrate compliance with

Building Regulations and should be provided to the

customer for future reference.

Installers are required to carry out the installation, com-

missioning and servicing work in accordance with the

Benchmark Code of practice which is available from the

Heating and Hotwater Industry Council who manage

and promote the Scheme. Visit centralheating.co.uk for

information.

Warranty and insurance information

Thank you for installing a new NIBE heat pump in your

home.

NIBE heat pumps are manufactured in Sweden to the

very highest standard so we are pleased to offer our

customers a comprehensive guarantee.

The product is guaranteed for 24 months for parts and

labour from the date of installation or 33 months from

the date of manufacture, whichever is the shorter.

The NIBE guarantee is based on the unit being installed

and commissioned by a NIBE accredited installer, ser-

viced every year and the Benchmark documents com-

pleted. Where this condition is not met, any chargeable

spare parts or components issued within the applicable

guarantee period still benefit from a 12 month warranty

from the date of issue by the manufacturer.

We recommend the installer completes and returns as

soon as possible, your guarantee registration card or

completes the guarantee form on the NIBE website

www.nibe.co.uk

NIBE SMO S40Chapter 1 | Important information6

Inspection of the installation

Current regulations require the heating installation to be inspected before it is commissioned. The inspection must

be carried out by a suitably qualified person.

In addition, fill in the page for the installation data in the User Manual.

DateSigna-

ture

NotesDescription

✔

Electrical connections

Communication, heat pump

Connected supply 230 V

Outside sensor

Room sensor

Temperature sensor, hot water char-

ging

Temperature sensor, hot water top

Temperature sensor, external flow

line

Temperature sensor, external return

line

Charge pump

Shuttle valve

AUX1

AUX2

AUX3

AUX4

AUX5

AUX6

AUX10

AUX11

Miscellaneous

Checking additional heater

Checking the function of the revers-

ing valve

Checking charge pump function

Completed installation check of heat

pump and associated equipment

7Chapter 1 | Important informationNIBE SMO S40

System solutions

COMPATIBLE PRODUCTS

The following combinations of products are recommended for control by SMO S40.

LEK

Volume ves-

sel

Addition

Water heater

Circ. pumpAccumulator

with hot wa-

ter heater

HW control

Air/water

heat pump

Control mod-

ule

UKV 40

ELK 15

VPB 300

CPD 11-25/65

VPA 300/200

VST 05

AMS 10-6 /

HBS 05-6

SMO S40

UKV 100

UKV 200ELK 26

ELK 42

VPB 500

VPB S300

CPD 11-25/75

AMS 10-8 /

HBS 05-12

UKV 300

F2040 – 6

UKV 500

F2040 – 8

VST 11

AMS 10-12 /

HBS 05-12

F2040 – 12

VPB 500VST 20

AMS 10-16 /

HBS 05-16

F2040 – 16

COMPATIBLE AIR/WATER HEAT PUMPS

In some air/water heat pumps, manufactured before or

during 2019, the circuit board must be updated in order

to be compatible with SMO S40.

Lowest compatible soft-

ware version

Air/water heat pump

v37 (AA23 communication

board)

NIBE SPLIT HBS 05

(AMS 10, HBS 05)

v129F2030

v37 (AA23 communication

board)

F2040

v129F2300

NIBE SMO S40Chapter 1 | Important information8

Mounting

NOTE

For wall mounting, use screws (and any plugs)

suitable for the surface.

Use all mounting points and install SMO S40 upright flat

against the wall without any part of the control module

protruding beyond the edge of the wall.

Leave at least 100 mm free space around the control

module to facilitate access and cable routing on installa-

tion and service.

Caution

Screws for removing the front cover are

reached from underneath.

SMO S40

1. Remove the hatch, by unscrewing the screws in the

bottom edge. Angle out at the bottom edge and unhook

the cover at the upper edge.

SMO S40

2x

2. Remove the display by moving it to the left. Detach the

cable from the lower edge.

3. Mark the position of the two upper screws using a pen.

Screw in the upper two screws.

4. Hook onto SMO S40 the screws in the wall.

2x

9Chapter 2 | Delivery and handlingNIBE SMO S40

2 Delivery and handling

5. Reassemble the display. Screw SMO S40 into place on

the lower edge with the two remaining screws. Supplied components

Room sensor

1 x

Outdoor temperature

sensor

1 x

LEK

Aluminium tape

LEK

Insulation tape

Temperature sensor

Cable ties

Heating pipe paste

LEK

Current sensor

Open front hatch

NIBE SMO S40Chapter 2 | Delivery and handling10

Open USB cover

11Chapter 2 | Delivery and handlingNIBE SMO S40

Component positions

UN

AA4 SF1XF3

XF8

PZ3

AA2

UB2UB1 X9 X10 X11

X2

X5

X1

X6 X8

X13 X14

X7

X12

AA100

X4X3

AA100-F2 AA2-F1AA100-F1

NIBE SMO S40Chapter 3 | The Control Module Design12

3 The Control Module Design

List of components

ELECTRICAL COMPONENTS

Base cardAA2

Fine wire fuse, 4ATF1

Display unitAA4

USB socketXF3

Network socketXF8

Joint cardAA100

Fine wire fuse, 6.3ATF1

Fine wire fuse, 6.3ATF2

Terminal block, power supplyX1

Terminal block, earthX2

Terminal block (N)X3

Terminal block (L)X4

Terminal block (QN10, GP10,

GP12.1-EB101, GP12.2-EB102)

X5

Terminal block AUX outputs

(AUX10)

X6

Terminal block AUX outputs

(AUX11)

X7

Terminal block, additional heatX8

Terminal block, external connection

options

X9

Terminal block AUX inputs, external

connection options (selectable AUX

1–6)

X10

Terminal block (GND)X11

Terminal block, external connectionsX12

Terminal block (GND)X13

Terminal block, external connectionsX14

On/off buttonSF1

Network connection for myUplinkXF8

Cable grommet, incoming supply electricity,

power for accessories

UB1

Cable gland, signalUB2

OTHER COMPONENTS

Serial number platePZ3

Designations according to standard EN 81346-2.

13Chapter 3 | The Control Module DesignNIBE SMO S40

General

Pipe installation must be carried out in accordance with

applicable regulations. See manual for compatible NIBE

air/water heat pump for installation of the heat pump.

The pipe dimension should not be less than the recom-

mended pipe diameter according to the table. However,

each system must be dimensioned individually to man-

age the recommended system flows.

MINIMUM SYSTEM FLOWS

The installation must be dimensioned at least to manage

the minimum defrosting flow at 100% pump operation,

see table.

Minimum re-

commended

pipe dimen-

sion (mm)

Minimum re-

commended

pipe dimen-

sion (DN)

Minimum

flow during

defrosting

(100% pump

speed (l/s)

Air/water

heat pump

22200.19F2040-6

22200.19F2040-8

22200.29F2040-12

28250.39F2040-16

Minimum re-

commended

pipe dimen-

sion (mm)

Minimum re-

commended

pipe dimen-

sion (DN)

Minimum

flow during

defrosting

(100% pump

speed (l/s)

Air/water

heat pump

22200.19HBS 05-6/

AMS 10-6

22200.19HBS 05-12/

AMS 10-8

22200.29HBS 05-12/

AMS 10-12

28250.39HBS 05-16/

AMS 10-16

NOTE

An undersized system can result in damage to

the machine and lead to malfunctions.

NIBE SMO S40Chapter 4 | Installing the installation14

4 Installing the installation

Symbol key

MeaningSymbol

Unit box

Shut-off valve

Tapping valve

Non-return valve

Mixing valve

Circulation pump

Expansion vessel

Filterball

Pressure gauge

P

Particle filter

Safety valve

Temperature sensor

Reversing valve/shunt

Heat exchanger

Overflow valve

Under floor heating systems

Control module

Cooling system

Air/water heat pump

Pool

Radiator system

Domestic hot water

Addition

Water heater

Temperature sensor

installation on pipe

LEK

The temperature sensors are mounted with heat con-

ducting paste, cable ties (the first cable tie is secured

to the pipe in the middle of the sensor and the other

cable tie is mounted approx. 5 cm beyond the sensor)

and aluminium tape. Then insulate with supplied insula-

tion tape.

NOTE

Sensor and communication cables must not

be placed near power cables.

Fixed condensing

If SMO S40 is only to work towards a water heater with

fixed condensing, you must connect external supply

temperature sensor (BT25) according to the description

in section "Temperature sensor, external flow line". In

addition, you must make the following menu settings.

Menu setting (local vari-

ations may be required)

Menu

Desired temperature in the

tank.

1.30.4 – Lowest supply,

heating

Desired temperature in the

tank.

1.30.6 – Highest supply,

heating

Manual4.1 – Operating mode

15Chapter 4 | Installing the installationNIBE SMO S40

Connecting air/water

heat pump

You can find a list of compatible air/water heat pumps

in section "System solutions".

• Install the necessary safety equipment, non-return

valve, shut-off valve, circulation pump and expansion

vessel. Also, consult the Installer Manual for your

air/water heat pump.

• Install the enclosed filterball.

• If the system is to work towards both a climate sys-

tem and hot water heater, a reversing valve must be

installed.

P

XL1

XL2

Connecting the

climate system

A climate system is a system that regulates indoor

comfort with the help of the control system in SMO S40

and for example radiators, underfloor heating/cooling,

fan convectors etc.

• Install external supply temperature sensor (BT25) It

says when the air/water heat pump must start to

produce heating/cooling for the climate system.

• Install external return temperature sensor (BT71). It

is used to check that the climate system is correctly

adjusted.

• When connecting to systems with thermostats on all

radiators/underfloor heating coils, some of the thermo-

stats must be removed to ensure there is sufficient

flow.

• For an even flow to the radiators during hot water

charging or similar, a circulation pump and reversing

valve for the climate system are installed.

XL1

XL2

NIBE SMO S40Chapter 4 | Installing the installation16

Cold and hot water

CONNECTING THE HOT WATER HEATER

• Controlling hot water sensor (BT6) and display hot

water sensor (BT7) are placed in the water heater.

• Fit shut-off valve, non-return valve and safety valve as

illustrated.

• The expansion relief valve must have a maximum 0.6

MPa (6.0 bar) opening pressure and be installed on

the incoming domestic water line as shown.

• A mixing valve must be installed when the factory

setting for hot water is changed. National regulations

must be observed.

• Hot water production is activated in the start guide or

in menu 7.1.1.

XL1

XL2

Installation alternative

SMO S40 can be connected in several different ways,

some of which are shown below.

More information about the alternatives is available at

nibe.eu/ODM and in the relevant assembly instructions

for the accessories used. See section "Accessories" for

a list of the accessories that can be used with SMO S40.

BUFFER VESSEL UKV

UKV is an accumulator tank that is suitable for connec-

tion to a heat pump or another external heat source, and

can have several different applications. It can also be

used during external control of the heating system.

The image shows UKV flow equalisation.

ADDITION

On cold days of the year, when the availability of energy

from the air is lower, the additional heating can com-

pensate and help to produce heat. The additional heating

is also good to have as assistance, if the heat pump

ends up outside its working range or if it has been

blocked for any reason.

In the principle diagram below, the additional heat is

located after the reversing valve. (Additional heat can

also be connected before the reversing valve.)

COOLING

Cooling (in 2-pipe system)

Cooling and heating are distributed via the same climate

system.

17Chapter 4 | Installing the installationNIBE SMO S40

Cooling (in 4-pipe system)

With the accessory NIBE AXC 30, separate cooling and

heating systems can be connected via a reversing valve.

It is also possible to connect cooling (in 4 pipe systems)

on AUX10 (relay K8) or AUX11 (relay K9).

-EP45-GP10

-EP45

-EQ1-BT64

EXTRA CLIMATE SYSTEM

In buildings with several climate systems that require

different supply temperatures, the accessory

ECS 40/ECS 41 can be connected. A shunt valve then

lowers the temperature to the underfloor heating sys-

tem, for example.

-EP21-RM1

-EP21-GP10-EP21-BT2

-EP21-AA25

-EP21-BT3

-EP21-QN25

-EP21

POOL

POOL 40 is an accessory that enables pool heating using

one or more compressors in your installation.

-CL11-HQ4-CL11-BT51-CL11-GP9

-CL11-EP5

-CL11-AA25

-CL11

NIBE SMO S40Chapter 4 | Installing the installation18

General

• Disconnect SMO S40 before insulation testing the

house wiring.

• When the building is equipped with an earth-fault

breaker the heat pump should be equipped with a

separate one.

• SMO S40 must be installed via an isolator switch. The

cable area has to be dimensioned based on the fuse

rating used.

•Use a screened cable for communication with the heat

pump.

• To prevent interference, sensor cables to external

connections must not be laid close to high voltage

cables.

• The minimum area of communication and sensor

cables to external connections must be 0.5 mm² up

to 50 m, for example EKKX, LiYY or equivalent.

• When cable routing in SMO S40, the cable grommets

(UB1 and UB2) must be used.

•For an electrical wiring diagram for the control module,

see section "Technical Specifications"

UB1 UB2

NOTE

Do not start the system before filling up with

water. Components in the system could be

damaged.

NOTE

Electrical installation and any servicing must

be carried out under the supervision of a quali-

fied electrician. Disconnect the current using

the circuit breaker before carrying out any ser-

vicing.

Electrical installation and wiring must be carried out in

accordance with the stipulations in force.

ACCESSIBILITY, ELECTRICAL CONNECTION

Removing the cover

Loosen the screws slightly. Lift the bottom edge of the

front cover of the control module and unhook the cover

on the upper edge.

SMO S40

2x

Removing the covers

The cover is opened using a screwdriver.

19Chapter 5 | Electrical connectionsNIBE SMO S40

5 Electrical connections

CABLE LOCK

Use a suitable tool to release/lock cables in the heat

pump terminal blocks.

Terminal block

1.

2.

MAKING HOLES FOR CABLE ROUTING

Press out the hole using a suitable tool.

Connections

NOTE

To prevent interference, sensor cables to ex-

ternal connections must not be laid close to

high voltage cables.

POWER CONNECTION

Supply voltage

The incoming cable must be connected to terminal block

AA100-X1. Tightening torque: 0.5 – 0.6 Nm.

AA100

AA2

X1

L N

X1

Tariff control

If the voltage to the compressor in the air/water pump

is lost for a certain period, this must be blocked simul-

taneously via the selectable inputs, see section "Select-

able in/outputs – Possible selections for AUX inputs".

Compressor blocking must be performed either on the

control module or on the air/water heat pump, not on

both at the same time.

NIBE SMO S40Chapter 5 | Electrical connections20

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Nibe SMO S40 Installation guide

Nibe SMO S40 Installation guide

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